A consortium of researchers that includes New York University Physics Professor Andrew Kent has received a $6.25 million nanotechnology grant from the U.S. Department of Defense to design and develop nano-magnetic materials and devices, including more efficient computers and cell phones.
The consortium, led by the University of Iowa, will develop a fundamental understanding of materials and establish the engineering expertise needed to exploit hybrid structures by incorporating magnetic metals, semiconductors, and plastics for future devices, according to consortium leader Michael Flatté, a professor in the University of Iowa’s Department of Physics and Astronomy.
The consortium also includes Yuri Suzuki of the University of California, Berkeley; Giovanni Vignale of the University of Missouri at Columbia; and Jeremy Levy of the University of Pittsburgh.
The researchers say their work may lead to considerably more compact devices that operate for far longer between battery recharges. These include laptop computers, cell phones, and unmanned sensors. They add that because the processing costs for these materials are much less than those of traditional semiconductor chips, these new devices should also be inexpensive to produce.
A goal of the research is to understand how magnetism can be manipulated and modified in hybrid structures of different materials in response to electric fields and optical illumination. The magnetic coupling between these materials may occur via magnetic fields, or through the exchange or flow of electron “spin,” the fundamental property of electrons that gives rise to m
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